Malicious PDF — malware analysis report

Static analysis result for SHA-256 c32c26de4c8a2ebc…

MALICIOUS

PDF

54.5 KB Created: 2020-08-14 06:55:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8c68a7526c55beb9c393f2353d5ea414 SHA-1: 423bb8835171662ece46427557e2b21db3d2f6a3 SHA-256: c32c26de4c8a2ebcbbadc6ada3d4bf1ad11e42167bc91dae3141684ba459d85c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF file contains a lure for 'Tamil hd movie' content, directing users to a malicious redirector. It also functions as a link farm, embedding numerous external PDF links, many of which point to Shopify domains. The primary malicious URL identified is https://ttraff.ru/pify?keyword=tamil+hd+movie++website+name+list, which is flagged as a known malicious redirector. The document body text, though heavily obfuscated, contains this URL and other embedded links, suggesting a social engineering tactic to drive traffic to malicious sites.

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.ru/pify?keyword=tamil+hd+movie++website+name+list
    • http://files.famusshp.com/uploads/1/3/1/8/131856306/1a8cad75.pdf
    • http://files.scrapbookcreationsny.com/uploads/1/3/1/0/131071253/d283d3bd.pdf
    • http://files.cvtvonline.com/uploads/1/3/2/6/132695805/9656059.pdf
    • http://files.saltandlightbaptist.com/uploads/1/3/1/6/131637695/muvavab.pdf
    • http://files.charlottedoulaco.com/uploads/1/3/0/8/130814100/sorovesorepatomije.pdf
    • https://cdn.shopify.com/s/files/1/0429/5308/0985/files/bogit.pdf
    • https://cdn.shopify.com/s/files/1/0428/5412/1635/files/cahier_vacances_cp.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gigogew.pdf
    • https://cdn.shopify.com/s/files/1/0431/1190/7488/files/91768780878.pdf
    • https://cdn.shopify.com/s/files/1/0432/1234/1409/files/11266498127.pdf
    • https://cdn.shopify.com/s/files/1/0435/5496/3617/files/aptoide_tv_apk_old_version.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/25668779603.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94430640368.pdf
    • https://cdn.shopify.com/s/files/1/0430/0426/4602/files/how_to_invert_mouse_scroll_windows_10.pdf
    • https://cdn.shopify.com/s/files/1/0429/5986/3959/files/79923994361.pdf
    • https://cdn.shopify.com/s/files/1/0433/9721/8460/files/ropewulidaruvatis.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008b42.bin
8d4eff37207299ab7687ab199f414268a7382b35957c7b64b853116a623319e1
pdf-font-stream PDF embedded font (sfnt) at offset 0x8B42 5208 bytes
font_01_sfnt_off00009cec.bin
a388d3bdcc3b4927b877c11598e776df3d7f1ae70a3a892d9dab6b151ab1c44a
pdf-font-stream PDF embedded font (sfnt) at offset 0x9CEC 15592 bytes